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CATEGORIES:Algebra and Representation Theory Seminar
SUMMARY:The pre-duals of measuring co-algebras and co-modu
les - Marjorie Batchelor
DTSTART;TZID=Europe/London:20161109T163000
DTEND;TZID=Europe/London:20161109T173000
UID:TALK68384AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/68384
DESCRIPTION:Measuring coalgebras and measuring comodules have
been available for a long time now as a means of g
eneralising the concept of morphisms for algebras
and modules respectively. The universal property
that describes them makes them easy to deal with\,
but not easy to calculate. We studied the concep
t of a pre-dual for algebras in the summer 2015 an
d for modules in the past summer. The pre-dual can
be calculated explicitly in suitably finite cases
\, with intriguing consequences for number fields\
, for example. The methodology even in cases whic
h are not suitably finite suggests interesting ana
logues in more general algebras of structures fami
liar to geometry.
LOCATION:MR12
CONTACT:Christopher Brookes
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